public class Socket {

    public int a=10;
    public static int b=89;
    class Ab{

        public void fun(){
            int k=a;
            System.out.println(a);
        }
    }

    public void main(String[] args) {
        Ab ab = new Ab();
        ab.fun();
        System.out.println("dada");
        int[] arr = new int[]{1,2,3};
        int[] nums =arr.clone();
        System.out.println(nums);
        

    }
}
